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Message-ID: <20240530082556.2960148-3-quic_kriskura@quicinc.com>
Date: Thu, 30 May 2024 13:55:56 +0530
From: Krishna Kurapati <quic_kriskura@...cinc.com>
To: <cros-qcom-dts-watchers@...omium.org>,
        Krzysztof Kozlowski
	<krzk+dt@...nel.org>,
        Rob Herring <robh@...nel.org>, Bjorn Andersson
	<andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        "Conor
 Dooley" <conor+dt@...nel.org>,
        Stephen Boyd <swboyd@...omium.org>,
        "Greg
 Kroah-Hartman" <gregkh@...uxfoundation.org>,
        Matthias Kaehlcke
	<mka@...omium.org>
CC: <linux-kernel@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <quic_ppratap@...cinc.com>,
        <quic_jackp@...cinc.com>, Krishna Kurapati <quic_kriskura@...cinc.com>,
        "Doug
 Anderson" <dianders@...gle.com>, <stable@...r.kernel.org>
Subject: [PATCH 2/2] arm64: dts: qcom: sc7280: Disable SS instances in park mode

On SC7280, in host mode, it is observed that stressing out controller
in host mode results in HC died error and only restarting the host
mode fixes it. Disable SS instances in park mode for these targets to
avoid host controller being dead.

Reported-by: Doug Anderson <dianders@...gle.com>
Cc: <stable@...r.kernel.org>
Fixes: bb9efa59c665 ("arm64: dts: qcom: sc7280: Add USB related nodes")
Signed-off-by: Krishna Kurapati <quic_kriskura@...cinc.com>
---
 arch/arm64/boot/dts/qcom/sc7280.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index 41f51d326111..e0d3eeb6f639 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -4131,6 +4131,7 @@ usb_1_dwc3: usb@...0000 {
 				iommus = <&apps_smmu 0xe0 0x0>;
 				snps,dis_u2_susphy_quirk;
 				snps,dis_enblslpm_quirk;
+				snps,parkmode-disable-ss-quirk;
 				phys = <&usb_1_hsphy>, <&usb_1_qmpphy QMP_USB43DP_USB3_PHY>;
 				phy-names = "usb2-phy", "usb3-phy";
 				maximum-speed = "super-speed";
-- 
2.34.1


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